Champaign County Home Page

About Champaign County

Bridge over Boneyard Creek in Champaign Illinois

Champaign County, Illinois is located in the heart of East Central Illinois, at Latitude 40.14030 North, Longitude 88.19610 West. US Interstates 57, 72 & 74 intersect in the County which puts Champaign County approximately 2 hours south of Chicago Illinois; 3 hours north-northeast of St. Louis, Missouri; and 2 hours west of Indianapolis, Indiana.

Champaign County was organized in 1833 from part of Vermilion County. The County was named after Champaign County, Ohio, and the County Seat was named after Urbana, Ohio, which was the homeplace of State Senator John Vance, who sponsored the bill to create the County. The development of the County was furthered by the arrival of the Illinois Central Railroad and the establishment of a land-grant university.

Champaign County was incorporated on February 20, 1833. Township form of government was adopted in 1859. On November 8, 2016, County voters passed a referendum changing to the County Executive (without home rule) form of government. Champaign County became the second County in Illinois to adopt this form of government.

Home to the University of Illinois, Parkland College, and two major regional hospitals (Carle Foundation Hospital and OSF Heart of Mary Medical Center), Champaign County is a leader in education, health care, government, high technology, light industry and agriculture. Champaign County comprises 1008 square miles, the majority of which are involved in agriculture.

Quick Facts


February 20, 1833

Estimated Population

208,861 - 10th largest in Illinois

County Seat

Urbana, Illinois

Major Employers

University of Illinois, Carle Hospital and Physicians Group, Parkland College, Kraft Foods, Hobbico, Champaign CUSD #4, Urbana SD #116, OSF Heart of Mary Medical Center.

Major Cities & Villages

Champaign - 86,096
Urbana - 41,250
Rantoul - 13,037
Mahomet - 7,730
Savoy - 7,681
St. Joseph - 4,058


January Temperature:
Avg. High - 32F
Avg. Low - 16F

July Temperature:
Avg. High - 85F
Avg. Low - 65F

Avg. Annual Rainfall - 39.72"
Avg. Annual Snowfall - 28.5"

Avg. Growing Season - 185 days